#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int a = 0;
	while (scanf("%d\n", &a)==1) {
		if (a % 2 == 0) {
			printf("Even\n");
		}
		else {
			printf("Odd\n");
		}

	}
}
